Robert Reys

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3 books

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Mental math in the middle gradesJack A. Hope, Barbara J. Reys et al.
Mental math in the middle grades
Jack A. Hope, Barbara J. Reys, Robert Reys · 1987 · 128 pages
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Number senseAlistair McIntosh, Barbara J. Reys et al.
Number sense
Alistair McIntosh, Barbara J. Reys, Robert Reys · 1996 · 232 pages
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Helping Children Learn MathematicsRobert Reys, Mary Lindquist et al.
Helping Children Learn Mathematics
Robert Reys, Mary Lindquist, Diana V. Lambdin · 2011 · 588 pages
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